fix: add check for empty source host

1 files changed, 2 insertions, 1 deletions

diff --git a/main.go b/main.go
index 41f8334..366ebde 100644
--- a/main.go
+++ b/main.go
@@ -21,11 +21,12 @@ type endpoint struct {
 // ServeHTTP is http.Handler implementation.
 func (ep endpoint) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	source, err := url.Parse(r.PostFormValue("source"))
-	if err != nil {
+	if err != nil || source.Host == "" {
 		w.WriteHeader(http.StatusBadRequest)
 		w.Write([]byte(errSrcInvalid))
 		return
 	}
+
 	if source.Scheme != "http" && source.Scheme != "https" {
 		w.WriteHeader(http.StatusBadRequest)
 		w.Write([]byte(errInvalidScheme))